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CIKM
2010
Springer
13 years 7 months ago
On the selectivity of multidimensional routing indices
Recently, the problem of efficiently supporting advanced query operators, such as nearest neighbor or range queries, over multidimensional data in widely distributed environments...
Christos Doulkeridis, Akrivi Vlachou, Kjetil N&osl...
IJSNET
2011
110views more  IJSNET 2011»
13 years 3 months ago
Sensor integration for perinatology research
— The numbers of high-risk pregnancies and premature births are increasing due to the steadily higher age at which women get pregnant. The long-term quality of life of the neonat...
Wei Chen, Jun Hu, Sibrecht Bouwstra, Sidarto Bamba...
SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
14 years 8 months ago
Statistical analysis of sketch estimators
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
Florin Rusu, Alin Dobra
ICS
2000
Tsinghua U.
14 years 6 days ago
A simulation-based study of scheduling mechanisms for a dynamic cluster environment
Scheduling of processes onto processors of a parallel machine has always been an important and challenging area of research. The issue becomes even more crucial and di cult as we ...
Yanyong Zhang, Anand Sivasubramaniam, José ...
PODS
2005
ACM
211views Database» more  PODS 2005»
14 years 8 months ago
Join-distinct aggregate estimation over update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
Sumit Ganguly, Minos N. Garofalakis, Amit Kumar, R...